/*
 * Copyright (c) 2013 Tobias Welther
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package de.tudarmstadt.kom.androidsensorapi.sensor.data;

import android.hardware.SensorEvent;

import java.util.Date;

/**
 * Created by Tobias Welther
 */
public abstract class AbstractSensorData implements SensorData{

    /**
     * The Date when the data set is created.
     */
    private final Date dateOfCreation;


    /**
     * Creates a SensorInterface Data Set with an creation date.
     *
     * @param dateOfCreation the time the event is triggered
     */
    public AbstractSensorData(Date dateOfCreation){
        this.dateOfCreation = dateOfCreation;
    }


    /**
     * Copy constructor from an SensorInterface Event.
     *
     * @param event to get timestamp from
     */
    public AbstractSensorData(SensorEvent event){
        this.dateOfCreation = new Date(event.timestamp);
    }


    @Override
    public Date getDateOfCreation(){
        return dateOfCreation;
    }


    @Override
    public boolean equals(Object object){
        if(!(object instanceof AbstractSensorData)) return false;

        return dateOfCreation.equals(((AbstractSensorData) object).getDateOfCreation());
    }
}
